F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
101/61
F26B 23/04 (2006.01) B41D 1/00 (2006.01) G03F 7/20 (2006.01)
Patent
CA 1196813
ANTIBUCKLING APPARATUS FOR LITHOGRAPHIC PRINTING PLATES ABSTRACT OF THE DISCLOSURE The disclosure concerns an antibuckling apparatus for a lithographic plate or the like which is being cured in a UV post-curing apparatus. A source of UV radiation irradiates one surface of the plate as the plate is moved through a curing chamber along a predetermined path, An upper antibuckling device comprises a first pair of spaced elongated members which extend across the path of the plate and serve as a support for a plurality of upper antibuckling bars disposed between the radiation source and the upper surface of the plate. The anti- buckling bars are disposed generally along the path of the plate but obliquely to the direction of the path, whereby the antibuck- ling bars do not interfere with irradiation of the entire width of the upper surface of the plate. A similar lower antibuckling device may be disposed beneath the plate on the side thereof not being irradiated. A respective pair o e plate moving rollers is disposed inside the curing chamber respectively near the entrance and the exit thereto and they also block emission o e radiation from the curing chamber.
399539
Bosshardt William
Jargiello Paul
Polychrome Corporation
Stewart & Kolash Ltd
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